Estimating Braking Force (OCR GCSE Physics A (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What energy transfer occurs when brakes are applied to a moving vehicle?
What energy transfer occurs when brakes are applied to a moving vehicle?
Kinetic to thermal
What happens to the temperature of the brakes when they are applied?
What happens to the temperature of the brakes when they are applied?
Temperature increases
What is the role of friction when brakes are applied?
What is the role of friction when brakes are applied?
Slows the wheels down
How does vehicle speed affect the kinetic energy it possesses?
How does vehicle speed affect the kinetic energy it possesses?
Faster means more kinetic energy
What is the relationship between braking force and deceleration?
What is the relationship between braking force and deceleration?
Greater force = greater deceleration
Why can large decelerations be dangerous for a vehicle?
Why can large decelerations be dangerous for a vehicle?
Can lead to losing control
What is another danger of applying very large braking forces?
What is another danger of applying very large braking forces?
Brakes could overheat
Which equation is used to estimate braking force, assuming uniform acceleration?
Which equation is used to estimate braking force, assuming uniform acceleration?
A truck at 25 m/s must stop in 50 m. What is its acceleration using ?
A truck at 25 m/s must stop in 50 m. What is its acceleration using ?
m/s²
What braking force stops a 30000 kg truck decelerating at m/s² using ?
What braking force stops a 30000 kg truck decelerating at m/s² using ?
N